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HCR75型振动冲击夯(图1)是由中国建筑科学研究院建筑机械化研究所设计,青岛内燃机厂试制。该产品设计合理、结构紧凑、造型美观、夯实效果好、生产效率高、性能稳定可靠、调节档位方便、操作灵活、适用范围广。于1987年8月通过技术鉴定。其主要性能指标达到国内先进水平,接近80年代初国外同类产品水平,与国外对比见附表。
The HCR75 type vibration shock absorber (Fig. 1) was designed by the Institute of Construction Mechanization of the Chinese Academy of Building Research and trialed by Qingdao Internal Combustion Engine Factory. The product has reasonable design, compact structure, beautiful appearance, good compaction effect, high production efficiency, stable and reliable performance, convenient adjustment gear, flexible operation and wide application range. In August 1987 passed technical appraisal. Its main performance indicators have reached the domestic advanced level and are close to the level of similar foreign products in the early 1980s. See the attached table for comparison with foreign countries.